A+B=6 A-B=2 Then A*B=????

Asked by Last Modified  

102 Answers

Follow 1
Answer

Please enter your answer

Make it simple - A + B = 6 A - B = 2 (Adding both the equations) 2A = 8 A = 4 , that implies B = 2 A*B = 4*2 = 8
Comments

Experienced Online Maths and Science Tutor with 10+ Years of Experience in Private Tutoring

(a+b)²-(a-b)²=4ab 6² - 2² = 4ab 36-4=4ab 32=4ab Thus ab = 32/4 = 8 Simple !!
Comments

Expert in Math & Science

A*B=8
Comments

Math Magician

A+B+A-B=6+2=>8 2A=8 SO A=4 Similarly subtract both equation A+B-(A-B)=6-2; A+B-A+B=4, 2B=4 So B=2 ; Put A=4 and B=2 in A*B then we get 4*2=8 .
Comments

Tutor

8
Comments

Best Engineering Graphics & Drawing and Machine DrawingTeacher, Mechanical Workshop Technology and Basics of Mechanical Engineering

Gaurang' method is easier.
Comments

Teacher

A*B=8, (A=4, B=2)
Comments

Maths Home Tutor

A=4, B=2, so A*B=8
Comments

Science Teacher

therefore A*B= 4X2=8
Comments

Tuitions for class 1 to 8

8
Comments

View 100 more Answers

Related Questions

What is bainary fusion?
Prokaryotic fission, which is binary fission, is a form of asexual reproduction and cell division used by all prokaryotes, (bacteria and archaebacteria), and some organelles within eukaryotic organisms (e.g., mitochondria).
Profile Photo
Kiran
Give few examples of man-made environment.
The word man-made is self-explanatory. A Human-made or a Man-made environment is referred to as the surroundings made by humans to provide facilities for satisfying human needs. These surroundings are...
Profile Photo
Sreedhar

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

some useful tables
नोट– राम , नृप , गज , वानर, सर्प , कूप , तड़ाग , वृक्ष ,मनुष्य , मयूर , नाग , सिंह , खग , पाद , कुक्कुर , व्याघ्र , इंद्र , गणेश , जनक , कर, अश्व , सेवक ,चंद्र , छात्र , ईश्वर आदि शब्दों के रूप ...
Profile Photo

To Improve Or Build Up Your Vocabulary.
One of the best ways to improve or build up vocabulary is to write or use one-word substitutes for the given phrase. It is very important to write precisely and speak in a single word. Like the word...
Profile Photo

Order of Operations
The information below explains PEMDAS: parentheses, exponents, multiplication, division, addition, and subtraction When you have a math problem that involves more than one operation—for...
A

Amrtha S.

0 0
View Comments0

I blame you, Mom.
I blame you, if you can’t tell me of the reasons.I blame you, if you force me to memorize.I blame you, if I score low. Spellings are a torture for native & non-native speakers....
Profile Photo

Short trick to multiply by 11
Let us take an example For example:25*11 Step1 :just write 25 as the first and the last digit of ur answer For example:2_5 Step2:just do the sum of ur two digit number and place it between ur two...
Profile Photo

Recommended Articles

E-learning is not just about delivering lessons online. It has a much broader scope that goes beyond manual paper or PowerPoint Presentations. To understand the reach of E-learning and how the whole process works in developing the Educational system, we will discuss a few points here. Let us find out how this new learning...

Read full article >

Quality education does not only help children to get a successful career and life, but it also hugely contributes to society. The formal education of every child starts from school. Although there are numerous schools, parents find it challenging to choose the right one that would fit their child. It is difficult for them...

Read full article >

With the mushrooming of international and private schools, it may seem that the education system of India is healthy. In reality, only 29% of children are sent to the private schools, while the remaining head for government or state funded education. So, to check the reality of Indian education system it is better to look...

Read full article >

With the current trend of the world going digital, electronic renaissance is a new movement that is welcomed by the new generation as it helps makes the lives of millions of people easier and convenient. Along with this rapidly changing movement and gaining popularity of Internet, e-Learning is a new tool that emerging...

Read full article >

Looking for Class 8 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you